<nb-card>
    <nb-card-header>
        <p>{{title}}</p>
    </nb-card-header>
    <nb-card-body>
        <input type="file" ng2FileSelect [uploader]="uploader" (change)="selectedFileOnChanged($event)" nbInput>
    </nb-card-body>
    <nb-card-footer class="text-right">
        <button nbButton (click)="uploadFile()" style="margin-right: 5px">导入</button>
        <button nbButton (click)="cancel()">取消</button>
    </nb-card-footer>
</nb-card>
